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Beat the Calculator - BEATCALC!; More than 600 mental calculation tricks from the BEATCALC mailing list...

There are a variety of ways you can use the calculator to solve this problem. We are going to use this simple problem to illustrate how to use the algebraic solving tools ... Ti 89 Hints and Tricks

With this trick, you will be able to multiply any two numbers from 11 to 19 in your head quickly, without the use of a calculator. ... Marmalade_Man`s Fantastic Math Tricks

Write the number of brothers you have. Multiply by 2. Add 3. Multiply the result by 5. Add the number of sisters you have. Multiply the result by 10. Add the number of ... Look at your answer.

Use these calculator tricks to impress and astound your friends! ... Now have him use a calculator to first multiply it by 9, and then multiply it by 12,345,679 (notice there is no 8 in that number!).

Got a calculator? Well, you can use these tricks to do lots of stuff! ... Just turn you calculator upside-down, and punch in the numbers (a.k.a. calculator letters) backward! WARNING: If the letter "O"

Google Calculator has been around now for the last three and a half years, so a post on this Google service isn’t exactly groundbreaking. ... 3 Fun Math Tricks

Home; Mathematics Department Home Page; Default.htm ... Achilles and the Tortoise Paradox ... Programming with TI-83 Calculator

Network security and monitoring tools; Network Security and Port Scanner; Remote Shutdown Software; Subnet Calculator and Whois Client ... LanCalculator - to calculate subnet addresses and masks